CN206143232U - Blast furnace casting ditch tap drain water -cooling device - Google Patents
Blast furnace casting ditch tap drain water -cooling device Download PDFInfo
- Publication number
- CN206143232U CN206143232U CN201621125384.0U CN201621125384U CN206143232U CN 206143232 U CN206143232 U CN 206143232U CN 201621125384 U CN201621125384 U CN 201621125384U CN 206143232 U CN206143232 U CN 206143232U
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- blast furnace
- cooler
- iron
- metal
- tap drain
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Abstract
The utility model provides a blast furnace casting ditch tap drain water -cooling device, belongs to the blast furnace and stores up indisputable technical field. Comprising cooler body, metal seamless tube, cermet and steel sheet, acing as the cooling water piping of coolant liquid circulation heat transfer by the metal seamless tube, cermet is as middle heat conductor and seamless pipe protective layer, and the back is by steel sheet system cavity for the distribution pipeline, and form space open relatively. The utility model discloses simple structure, the security is high, can the effectual life who improves the blast furnace casting ditch. Enable current blast furnace casting ditch under the perfect condition and once only lead to the iron volume and improve several times, or the equal operating mode of very big extension under life -span on probation.
Description
Technical field
This utility model is related to a kind of blast furnace iron outlet groove tap drain water-cooled device, belongs to blast furnace storage ferrum technical field.
Background technology
Blast furnace iron outlet groove is requisite facility in blast furnace iron-making process, and which primarily serves the purpose of the slag that buffering ferrum mouth sprays
Ferrum, and slag sluicing system is realized, the slag isolated and ferrum are delivered to into ladle and flushing cinder granulation facility respectively finally.It is either big
Type blast furnace such as 4500m3Or small-sized 450m3Blast furnace, its basic role are not changed in.Its structural material system experienced
Ramming mass drought ditch pours iron storage type major groove to the non-irrigated ditch of pouring material to present main flow.Life-span was extended to via original 1～2 week
Present 1～3 month.
But safeguard from each major groove and be still the task of very expending time and efforts, the especially work of stokehold workman
Intensity is still very big, is faced with high temperature, dust, noise, coal gas, mechanical wounding equivalent risk.In line with the principle that people-oriented, still
Need to find the approaches and methods for extending the major groove life-span on probation.The non-renewable fire proofed wood of more environmentally-friendly saving is said from the angle of environmental protection
The requirement of material resource is also very urgent.
The content of the invention
In order to overcome the deficiencies in the prior art, this utility model to provide a kind of blast furnace iron outlet groove tap drain water-cooled device, pass through
This safer effectively cooler construction, realizes significantly improving for iron tap channel service life of refractory material.So that inspection is greatly lowered
Frequency repair rate, is that blast furnace runs offer basis steadily in the long term, and then the labor intensity of stokehold iron runner maintenance work is greatly reduced.Simultaneously
Make the installation of iron storage type major groove cooler and change more simple.
A kind of blast furnace iron outlet groove tap drain water-cooled device, by cooler body, metal seamless tube, ceramic metal and steel plate structure
Into, the cooling water pipeline of coolant cycle heat exchange is served as by metal seamless tube, ceramic metal is used as intermediate thermal conductivity body and seamless pipe
Protective layer, the back side and form the space of opposing open by steel plate hollow cavity for distribution lines；Cooler body contains
Cooler cavity, the top connection shrouding of cooler cavity, ceramic metal be filled in metal backing and cooler body housing it
Between, cooling water pipeline is connected in ceramic metal, and cooling water pipeline has water pipe inlet segment, and water pipe inlet segment stretches out metal backing position
In cooler cavity, slag skimmer crossbeam and cooler body are located in iron runner castable respectively, and it is big that iron runner castable is surrounded
There are slag iron mixture, the bottom connection iron runner material or the iron runner permanent layer for pouring in advance of iron runner castable, tap drain steel in ditch groove
Encapsulated by structures iron runner material or the iron runner permanent layer for pouring in advance.
A kind of blast furnace iron outlet groove tap drain water-cooled device, can with single-piece using can also more than one piece from length direction serial or parallel connection
Use.
A kind of blast furnace iron outlet groove tap drain water-cooled device installation and application；Containing cooler making step, installation steps and
Pour step,
Cooler making step：First by metal seamless tube as cooling water pipeline, by the way of husky hot bending is filled out
Loop back dress is processed into, the metal seamless tube through bending is fixed to into the cavity structure surface by made by steel plate afterwards, then
Metal seamless tube protective layer is cast into using the mode for pouring molding using ceramic metal；
Tap drain water cooler structure is completed, and dries through more than 500 DEG C, exclude in ceramic metal after ceramic metal solidification
It is to be installed that Free water can transport scene etc. to；
Installation steps：The material in original iron runner is removed during installation, afterwards cooler is fixed in ditch, iron runner is installed
Inner mold for casting, cooler can be installed to the centre position of one side or the mould about 300mm or so apart from major groove center；
Pour step：Apparatus above starts to pour iron runner castable by fixing after finishing.
After material feeding solidification to be poured, the cover plate of water cooler chamber portion, link cooling water pipeline, sensor signal lines are opened
Deng.
When using multiple coolers, both in the way of use is connected can connect and can also be linked using modes such as parallel connections,
After the completion of connection, major groove is toasted and is come into operation.
The ruuning situation of Sensor monitoring cooler can be passed through in operation, in case of emergency, can be by water inlet pipe
Compressed air is accessed on road, and open outlet conduit is blown into compressed air and drains the aqueous water in cooler.
During normal work, heat can be transferred to ceramic metal by relatively thin iron runner castable, then be transferred to by ceramic metal
Recirculated cooling water in cooler, is taken away by cooling water, forms heat passage.
The resistance to material operating temperature of tap drain is reduced, the purpose of corrosion resistance is improved, highest improves iron runner service life, drop
Low frequency of maintenance.
Basic structural formula of the present utility model is to form cooling water circulation passage using seamless pipe bending, using ceramic metal
The form that materials'use is poured pours protective layer in seamless pipe periphery, using it is ceramic-metallic be to consider ceramic-metallic resistance to height
Warm nature energy, makes ceramic metal as the protective layer for resisting high temperature protection cooling line, while special using ceramic-metallic high heat conduction
Property, can be used as good heat transfer medium.
In addition cavity is formed at the cooler back side by steel plate, the space in cavity is used to install connection cooling pipe, temperature
Degree sensor etc., while cavity is used as non-close space, the problems such as will not produce blast when there is extreme case, indirectly carries
The high safety of major groove water cooler on probation.
And water cooler position is adjusted in terms of installation site, conventional tap drain water-cooled is typically in iron storage type major groove
Outside, it is contemplated that the general heat conductivity of traditional iron runner material is relatively low.
In this case, in traditional design theory, iron runner material thickness generally reaches more than 600mm, can at most reach
1200mm, therefore thermal resistance is larger, heat must pull against the thermal resistance of iron runner material and can be only achieved water cooler, therefore effect is extremely limited,
Heat flux is difficult to improve, it is desirable to reach preferable intensity of cooling be it is relatively difficult, and when using a period of time after, iron runner side
After wall thickness is thinning, although cooling effectiveness can be improved, due to not had other hold on the outside of cooler
By the refractory material protective layer of high-temperature liquid state molten iron, so if there is extreme case, leakage ferrum can be produced, often consequence is extremely tight
Weight.
Therefore general use habit be the resistance to material thickness of the liner degree of iron runner be thinned to start to repair liner iron runner less than 300mm it is resistance to
Material, therefore tap drain cooler is installed near the nearly inner side of blast furnace iron outlet groove major groove, make cooler come into operation it in iron runner
Just start to play larger work efficiency, while continue to arrange safe floor on the outside of cooler or referred to as permanent layer, as guarantor
Shield, therefore both improve the using effect of cooler, also very high safety.
The utility model has the advantages that proposing the structure design of blast furnace iron outlet groove water cooler, existing tap drain water is solved
Cold efficiency is low, or safety it is not enough the drawbacks of, it is possible to increase the service life of blast furnace iron storage type major groove, while installing more convenient.
This utility model basic structure is to serve as coolant cycle heat exchange passage by seamless pipe, and ceramic metal is led as centre
Hot body and seamless pipe protective layer, the back side for distribution lines, and are formed the space of opposing open, are kept away by steel plate hollow cavity
Various hidden danger caused by non-sealed space.This utility model simple structure, it is safe, can effectively improve blast furnace iron outlet groove
Service life.Can ideally make the disposable iron of existing blast furnace iron outlet groove improve several times, or greatly extend equal
Life-span on probation under operating mode.
Description of the drawings
When considered in conjunction with the accompanying drawings, by referring to detailed description below, can more completely more fully understand that this practicality is new
Type and easily learn the adjoint advantage of many of which, but accompanying drawing described herein be used for providing to it is of the present utility model enter one
Step understands that constitute a part of the present utility model, schematic description and description of the present utility model is used to explain this practicality
It is new, do not constitute to improper restriction of the present utility model, such as scheme wherein：
The basic block diagram of Fig. 1 this utility model coolers.
Major groove top view after the installation of Fig. 2 this utility model coolers.
Sectional drawing after the installation of Fig. 3 this utility model coolers.
Fig. 4 is the front view of this utility model cooler.
With reference to the accompanying drawings and examples this utility model is further illustrated.
Specific embodiment
Obviously, those skilled in the art belong to this practicality based on many modifications and variations done by objective of the present utility model
New protection domain.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, "
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that used in description of the present utility model
Wording " including " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that exist or
Add one or more other features, integer, step, operation, element, component and/or their group.It should be understood that working as us
Element is claimed to be " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There is intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or couple.It is used herein to arrange
Diction "and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein (include technology art
Language and scientific terminology) with this utility model art in those of ordinary skill general understanding identical meaning.
For ease of the understanding to this utility model embodiment, below in conjunction with accompanying drawing do by taking several specific embodiments as an example into
The explanation of one step, and each embodiment does not constitute the restriction to this utility model embodiment.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, a kind of blast furnace iron outlet groove tap drain water-cooled device, cooler body 8
Containing cooler cavity 1, the top connection shrouding 2 of cooler cavity 1, shrouding 2 can be opened, and ceramic metal 3 is filled in metal
Between 8 housing of backboard 5 and cooler body, cooling water pipeline 4 is connected in ceramic metal 3, and cooling water pipeline 4 has water pipe to intake
Section 6, water pipe inlet segment 6 stretch out metal backing 5 in cooler cavity 1, and slag skimmer crossbeam 9 and cooler body 8 distinguish position
In iron runner castable 12, there is slag iron mixture 11 in the major groove groove that iron runner castable 12 is surrounded, under iron runner castable 12
Portion connects iron runner material or the iron runner permanent layer 14 that pours in advance, and the parcel iron runner material of tap drain steel construction 13 or the iron runner that pours in advance are forever
Long layer 14；Cooling water pipeline 4 has outlet 15, the water inlet 16 of the water pipe inlet segment 6 of cooling water pipeline 4, buries in ceramic metal 3
The cooling water pipeline 4 for entering.
16 one end of water inlet connects circulation water of blast furnace or other water sources, and 15 one end of outlet is connected in water return pipeline, real
Existing water circulation circulation.
Embodiment 2：A kind of blast furnace iron outlet groove tap drain water-cooled device installation and application；Containing cooler making step, peace
Fill step and pour step,
Cooler making step：First by metal seamless tube as cooling water pipeline 4, by the way of husky hot bending is filled out
Loop back dress is processed into, the metal seamless tube through bending is fixed to into the cavity structure surface by made by steel plate afterwards, then
Metal seamless tube protective layer is cast into using the mode for pouring molding using ceramic metal；
Tap drain water cooler structure is completed, and dries through more than 500 DEG C, exclude in ceramic metal after ceramic metal solidification
It is to be installed that Free water can transport scene etc. to；
Installation steps：The material in original iron runner is removed during installation, afterwards cooler is fixed in ditch, iron runner is installed
Inner mold for casting, cooler can be installed to the centre position of one side or the mould about 300mm or so apart from major groove center；
Pour step：Apparatus above starts to pour iron runner castable by fixing after finishing.
After material feeding solidification to be poured, the cover plate of water cooler chamber portion, link cooling water pipeline, sensor signal lines are opened
Deng.
When using multiple coolers, both in the way of use is connected can connect and can also be linked using modes such as parallel connections,
After the completion of connection, major groove is toasted and is come into operation.
The ruuning situation of Sensor monitoring cooler can be passed through in operation, in case of emergency, can be by water inlet pipe
Compressed air is accessed on road, and open outlet conduit is blown into compressed air and drains the aqueous water in cooler.
During normal work, heat can be transferred to ceramic metal by relatively thin iron runner castable, then be transferred to by ceramic metal
Recirculated cooling water in cooler, is taken away by cooling water, forms heat passage.
The resistance to material operating temperature of tap drain is reduced, the purpose of corrosion resistance is improved, highest improves iron runner service life, drop
Low frequency of maintenance.
Embodiment 3：As shown in Figure 1, Figure 2, Figure 3 shows, a kind of blast furnace iron outlet groove tap drain water-cooled device, its core design be with
Cavity structure, seamless metal pipe bending pipeline, and with the protective layer by made by ceramic metal outside metal tubes.
The thickness of the single-piece cooling wall of cooler, in 400～600mm, is highly 600～1200mm, length 1000～
2000mm, actual size are relevant with the size of the size of major groove and blast furnace.
Seamless pipe used by cooler is 1～3 cun of seamless pipe, forms rotating channel by heat folding technique bending.
Cover the cermet material of metal seamless tube by alumina particle and fine powder, corundum in granules and fine powder, bonding agent,
Steel fibre is constituted, and is mixed into mold forming by mechanical agitation.
Together with metal seamless tube in cooler is integrally fixed at the outer wall of metal cavitg, fixed form includes being not limited to
Welding, bolt anchoring.
The cooler cavity structure of major groove of tapping a blast furnace is made using steel plate, and there are the ruggedized constructions such as angle steel or channel-section steel inside, while
The water inlet end of single-piece cooler and water side are also within cavity.
Tap a blast furnace major groove cooler cavity top steel plate and on-fixed, and can be from top open, so can be real
Connection and service work after now installing, while avoiding the pressure rise of confined space vapor from exploding.
Cooler can with single-piece using can also more than one piece from length direction serial or parallel connection use.
A kind of blast furnace iron outlet groove tap drain water-cooled device, can with single-piece using can also more than one piece from length direction serial or parallel connection
Use, be made up of metal seamless tube, cermet material, valve, steel plate, its basic structure is to serve as coolant by seamless pipe to follow
Ring heat exchanger channels, ceramic metal as intermediate thermal conductivity body and seamless pipe protective layer, the back side by steel plate hollow cavity, for being distributed
Pipeline, and form the space of opposing open, it is to avoid various hidden danger caused by closing space.The cooler construction is simple, safety
Height, can effectively improve the service life of blast furnace iron outlet groove.Existing blast furnace iron outlet groove can be ideally made disposably to lead to ferrum
Amount improves several times, or the life-span on probation greatly extended under equal operating mode.
As described above, embodiment of the present utility model is explained, but as long as essentially without disengaging
Inventive point of the present utility model and effect can have many deformations, and this is apparent to one skilled in the art
's.Therefore, such variation is also integrally incorporated within protection domain of the present utility model.
Claims (3)
1. a kind of blast furnace iron outlet groove tap drain water-cooled device, it is characterised in that by cooler body, metal seamless tube, ceramic metal and
Steel plate is constituted, and serves as the cooling water pipeline of coolant cycle heat exchange by metal seamless tube, ceramic metal as intermediate thermal conductivity body and
Seamless pipe protective layer, the back side and form the space of opposing open by steel plate hollow cavity for distribution lines；Cooler sheet
Body contains cooler cavity, and the top connection shrouding of cooler cavity, ceramic metal are filled in metal backing and cooler body
Between housing, cooling water pipeline is connected in ceramic metal, and cooling water pipeline has water pipe inlet segment, and water pipe inlet segment stretches out metal
Backboard is located in cooler cavity, and slag skimmer crossbeam and cooler body are located in iron runner castable respectively, and iron runner castable encloses
Into major groove groove in have a slag iron mixture, the bottom connection iron runner material or the iron runner permanent layer for pouring in advance of iron runner castable,
Tap drain steel construction wraps up iron runner material or the iron runner permanent layer for pouring in advance.
2. a kind of blast furnace iron outlet groove tap drain water-cooled device according to claim 1, it is characterised in that shrouding can be opened.
3. a kind of blast furnace iron outlet groove tap drain water-cooled device according to claim 1, it is characterised in that；Cooling water pipeline has
The cooling water pipeline of embedment in the mouth of a river, the water inlet of the water pipe inlet segment of cooling water pipeline, ceramic metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125384.0U CN206143232U (en) | 2016-10-14 | 2016-10-14 | Blast furnace casting ditch tap drain water -cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125384.0U CN206143232U (en) | 2016-10-14 | 2016-10-14 | Blast furnace casting ditch tap drain water -cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN206143232U true CN206143232U (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621125384.0U Active CN206143232U (en) | 2016-10-14 | 2016-10-14 | Blast furnace casting ditch tap drain water -cooling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367551A (en) * | 2016-10-14 | 2017-02-01 | 南京联合荣大工程材料有限责任公司 | Main channel water-cooling device of blast furnace tapping channel and mounting and utilizing method |
| CN107447067A (en) * | 2017-09-29 | 2017-12-08 | 四川德胜集团钒钛有限公司 | A kind of blast furnace cleek provided with water cooling device |
| CN111484346A (en) * | 2020-05-27 | 2020-08-04 | 孙志红 | Silicon nitride combined castable for blast furnace skimmer and blast furnace skimmer |
| CN113701505A (en) * | 2021-08-11 | 2021-11-26 | 中国恩菲工程技术有限公司 | Cooling protection device and metallurgical furnace with same |
| CN113913574A (en) * | 2021-09-07 | 2022-01-11 | 阳春新钢铁有限责任公司 | Method for prolonging service life of main channel steel groove of blast furnace |
-
2016
- 2016-10-14 CN CN201621125384.0U patent/CN206143232U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367551A (en) * | 2016-10-14 | 2017-02-01 | 南京联合荣大工程材料有限责任公司 | Main channel water-cooling device of blast furnace tapping channel and mounting and utilizing method |
| CN107447067A (en) * | 2017-09-29 | 2017-12-08 | 四川德胜集团钒钛有限公司 | A kind of blast furnace cleek provided with water cooling device |
| CN111484346A (en) * | 2020-05-27 | 2020-08-04 | 孙志红 | Silicon nitride combined castable for blast furnace skimmer and blast furnace skimmer |
| CN113701505A (en) * | 2021-08-11 | 2021-11-26 | 中国恩菲工程技术有限公司 | Cooling protection device and metallurgical furnace with same |
| CN113913574A (en) * | 2021-09-07 | 2022-01-11 | 阳春新钢铁有限责任公司 | Method for prolonging service life of main channel steel groove of blast furnace |
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